Mechanical Engineering - Workshop Technology - Discussion

Discussion Forum : Workshop Technology - Section 4 (Q.No. 21)
21.
A process used for making thin phosphate coating on steel is called parkerising.
Correct
Incorrect
Answer: Option
Explanation:
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Discussion:
2 comments Page 1 of 1.

NBharti said:   2 years ago
Parkerising = Phosphate coating on steel.
Galvanizing = Zinc coating on iron or steel.
Sheradising = Zinc diffusion.
Anodising = Layer of oxide of Aluminum and Magnesium.
(1)

Kartikeyan s said:   9 years ago
Parkerizing, bonderizing, phosphating, or phosphatizing is a method of protecting a steel surface from corrosion and increasing its resistance to wear through the application of a chemical phosphate conversion coating.

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